{"assessment":{"best_window":{"end":"2025-04-21T01:50Z","end_local":"04:50","hours":1.83,"label":"good","mean_quality":0.72,"start":"2025-04-21T00:00Z","start_local":"03:00"},"cost":{"altitude":4.86,"clouds":0.46,"darkness":1.32,"moon":0.27},"formula":"astronomy = 100 * min(1, sky_hours / reference_hours) * peak_sky; overall = astronomy * score_weather / 100 (null when the weather is unknown)","hard_limit":null,"headline":"Possible, with compromises","hourly":[{"alt":-4,"cloud":41,"high":37,"iso":"2025-04-20T18:00Z","label":"unusable","low":5,"mid":19,"moon_alt":-65,"precip":0.0,"q":0.0,"rh":86,"sky":"nautical twilight","temp":5.6,"time":"21:00","wind":4.1},{"alt":-1,"cloud":42,"high":22,"iso":"2025-04-20T19:00Z","label":"unusable","low":1,"mid":39,"moon_alt":-55,"precip":0.0,"q":0.0,"rh":88,"sky":"night","temp":5.2,"time":"22:00","wind":2.4},{"alt":3,"cloud":19,"high":0,"iso":"2025-04-20T20:00Z","label":"unusable","low":0,"mid":19,"moon_alt":-44,"precip":0.0,"q":0.0,"rh":88,"sky":"night","temp":4.6,"time":"23:00","wind":1.1},{"alt":9,"cloud":2,"high":1,"iso":"2025-04-20T21:00Z","label":"unusable","low":0,"mid":1,"moon_alt":-34,"precip":0.0,"q":0.0,"rh":87,"sky":"night","temp":4.2,"time":"00:00","wind":1.2},{"alt":16,"cloud":26,"high":13,"iso":"2025-04-20T22:00Z","label":"unusable","low":0,"mid":25,"moon_alt":-23,"precip":0.0,"q":0.0,"rh":85,"sky":"night","temp":4.0,"time":"01:00","wind":1.8},{"alt":24,"cloud":34,"high":0,"iso":"2025-04-20T23:00Z","label":"marginal","low":0,"mid":34,"moon_alt":-13,"precip":0.0,"q":0.35,"rh":85,"sky":"night","temp":3.8,"time":"02:00","wind":1.0},{"alt":33,"cloud":6,"high":0,"iso":"2025-04-21T00:00Z","label":"good","low":0,"mid":6,"moon_alt":-3,"precip":0.0,"q":0.77,"rh":83,"sky":"night","temp":3.6,"time":"03:00","wind":0.4},{"alt":43,"cloud":7,"high":0,"iso":"2025-04-21T01:00Z","label":"good","low":0,"mid":7,"moon_alt":6,"precip":0.0,"q":0.7,"rh":76,"sky":"night","temp":3.5,"time":"04:00","wind":0.4},{"alt":53,"cloud":8,"high":5,"iso":"2025-04-21T02:00Z","label":"marginal","low":0,"mid":4,"moon_alt":13,"precip":0.0,"q":0.36,"rh":73,"sky":"astronomical twilight","temp":3.9,"time":"05:00","wind":0.2},{"alt":64,"cloud":29,"high":19,"iso":"2025-04-21T03:00Z","label":"poor","low":0,"mid":19,"moon_alt":19,"precip":0.0,"q":0.08,"rh":70,"sky":"nautical twilight","temp":3.9,"time":"06:00","wind":0.5}],"peak_quality":0.78,"peak_sky":0.84,"quality_hours":2.21,"reasons":["the target being low or below 20\u00b0 cost 4.9 quality-hours","daylight and twilight cost 1.3 quality-hours","cloud cover cost 0.5 quality-hours"],"reference_hours":4.0,"score":46,"score_astronomy":56,"score_weather":83,"sky_hours":2.68,"verdict":"marginal","verdict_astronomy":"marginal","weather_known":true,"windows":[{"end":"2025-04-20T22:35Z","end_local":"01:35","hours":5.5,"label":"unusable","mean_quality":0.0,"start":"2025-04-20T17:05Z","start_local":"20:05"},{"end":"2025-04-21T00:00Z","end_local":"03:00","hours":1.42,"label":"marginal","mean_quality":0.42,"start":"2025-04-20T22:35Z","start_local":"01:35"},{"end":"2025-04-21T01:50Z","end_local":"04:50","hours":1.83,"label":"good","mean_quality":0.72,"start":"2025-04-21T00:00Z","start_local":"03:00"},{"end":"2025-04-21T02:30Z","end_local":"05:30","hours":0.67,"label":"marginal","mean_quality":0.37,"start":"2025-04-21T01:50Z","start_local":"04:50"},{"end":"2025-04-21T03:05Z","end_local":"06:05","hours":0.58,"label":"poor","mean_quality":0.11,"start":"2025-04-21T02:30Z","start_local":"05:30"},{"end":"2025-04-21T03:35Z","end_local":"06:35","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2025-04-21T03:05Z","start_local":"06:05"}]},"calculation_version":"2026-10-10.1","forecast":[{"cloud":67,"dark":false,"high":53,"local":"20:00","low":28,"mid":1,"precip":0.0,"rh":79,"temp":7.2,"time":"2025-04-20T17:00Z","wind":4.6},{"cloud":41,"dark":false,"high":37,"local":"21:00","low":5,"mid":19,"precip":0.0,"rh":86,"temp":5.6,"time":"2025-04-20T18:00Z","wind":4.1},{"cloud":42,"dark":true,"high":22,"local":"22:00","low":1,"mid":39,"precip":0.0,"rh":88,"temp":5.2,"time":"2025-04-20T19:00Z","wind":2.4},{"cloud":19,"dark":true,"high":0,"local":"23:00","low":0,"mid":19,"precip":0.0,"rh":88,"temp":4.6,"time":"2025-04-20T20:00Z","wind":1.1},{"cloud":2,"dark":true,"high":1,"local":"00:00","low":0,"mid":1,"precip":0.0,"rh":87,"temp":4.2,"time":"2025-04-20T21:00Z","wind":1.2},{"cloud":26,"dark":true,"high":13,"local":"01:00","low":0,"mid":25,"precip":0.0,"rh":85,"temp":4.0,"time":"2025-04-20T22:00Z","wind":1.8},{"cloud":34,"dark":true,"high":0,"local":"02:00","low":0,"mid":34,"precip":0.0,"rh":85,"temp":3.8,"time":"2025-04-20T23:00Z","wind":1.0},{"cloud":6,"dark":true,"high":0,"local":"03:00","low":0,"mid":6,"precip":0.0,"rh":83,"temp":3.6,"time":"2025-04-21T00:00Z","wind":0.4},{"cloud":7,"dark":true,"high":0,"local":"04:00","low":0,"mid":7,"precip":0.0,"rh":76,"temp":3.5,"time":"2025-04-21T01:00Z","wind":0.4},{"cloud":8,"dark":false,"high":5,"local":"05:00","low":0,"mid":4,"precip":0.0,"rh":73,"temp":3.9,"time":"2025-04-21T02:00Z","wind":0.2},{"cloud":29,"dark":false,"high":19,"local":"06:00","low":0,"mid":19,"precip":0.0,"rh":70,"temp":3.9,"time":"2025-04-21T03:00Z","wind":0.5},{"cloud":54,"dark":false,"high":29,"local":"07:00","low":0,"mid":44,"precip":0.0,"rh":69,"temp":4.2,"time":"2025-04-21T04:00Z","wind":0.6}],"forecast_source":"history","forecast_updated_at":"2026-10-25T17:10:59Z","limits":{"good_alt":30.0,"usable_alt":20.0},"night":{"dark_from":"2025-04-20T18:49:52Z","dark_hours":6.99,"dark_to":"2025-04-21T01:49:15Z","moon":{"illumination":0.515,"phase":"last quarter","waxing":false},"moon_free_dark_hours":5.5,"moonrise":"2025-04-21T00:20:24Z","moonset":null,"sunrise":"2025-04-21T03:31:45Z","sunset":"2025-04-20T17:07:19Z","twilight":{"astronomical":{"end":"2025-04-20T18:49:52Z","start":"2025-04-21T01:49:15Z"},"civil":{"end":"2025-04-20T17:36:38Z","start":"2025-04-21T03:02:26Z"},"nautical":{"end":"2025-04-20T18:12:05Z","start":"2025-04-21T02:27:01Z"}},"window_end":"2025-04-21T09:00:00Z","window_start":"2025-04-20T09:00:00Z"},"night_date":"2025-04-20","site":{"elev_m":1750,"lat":41.693,"lon":24.739,"name":"NAO Rozhen"},"target":{"circumpolar":false,"dark_best":{"airmass":1.29,"alt":50.8,"t":"2025-04-21T01:45:00Z"},"dec":44.33,"dec_of_date":44.4293,"dec_str":"+44\u00b0 19' 48.0\"","good_hours":2.17,"limit_rise":"2025-04-20T22:30:05Z","limit_set":"2025-04-20T12:18:58Z","max_az_rate_deg_per_min":3.71,"moon_separation":69.8,"never_rises":false,"ra":314.69583333,"ra_of_date":314.9222,"ra_str":"20h 58m 47.0s","resolved":{"common_name":"North America Nebula","dec":44.33,"name":"NGC 7000","ra":314.69583333,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=NGC%207000","source":"sesame","type":"Cl*","type_text":"star cluster"},"summary":"Only 2.2 h above 30\u00b0, 3.3 h above 20\u00b0 \u2014 usable, at high airmass.","terrain":{"available":true,"behind_at":"2025-04-20T15:35:28Z","blocked_dark_hours":0,"clears_at":"2025-04-20T19:36:35Z","rise_az":292.7},"track":[{"above_terrain":true,"airmass":1.28,"alt":51.5,"az":292.7,"t":"2025-04-20T09:00:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.29,"alt":50.64,"az":293.1,"t":"2025-04-20T09:05:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.31,"alt":49.78,"az":293.5,"t":"2025-04-20T09:10:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.33,"alt":48.92,"az":293.9,"t":"2025-04-20T09:15:00Z","terrain":0.25},{"above_terrain":true,"airmass":1.34,"alt":48.07,"az":294.3,"t":"2025-04-20T09:20:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.36,"alt":47.22,"az":294.7,"t":"2025-04-20T09:25:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.38,"alt":46.37,"az":295.1,"t":"2025-04-20T09:30:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.4,"alt":45.52,"az":295.5,"t":"2025-04-20T09:35:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.42,"alt":44.68,"az":296.0,"t":"2025-04-20T09:40:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.44,"alt":43.84,"az":296.4,"t":"2025-04-20T09:45:00Z","terrain":0.3},{"above_terrain":true,"airmass":1.46,"alt":43.0,"az":296.8,"t":"2025-04-20T09:50:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.49,"alt":42.17,"az":297.3,"t":"2025-04-20T09:55:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.51,"alt":41.34,"az":297.7,"t":"2025-04-20T10:00:00Z","terrain":0.16},{"above_terrain":true,"airmass":1.54,"alt":40.51,"az":298.2,"t":"2025-04-20T10:05:00Z","terrain":0.13},{"above_terrain":true,"airmass":1.56,"alt":39.69,"az":298.6,"t":"2025-04-20T10:10:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.59,"alt":38.87,"az":299.1,"t":"2025-04-20T10:15:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.62,"alt":38.05,"az":299.6,"t":"2025-04-20T10:20:00Z","terrain":0.28},{"above_terrain":true,"airmass":1.65,"alt":37.24,"az":300.0,"t":"2025-04-20T10:25:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.68,"alt":36.43,"az":300.5,"t":"2025-04-20T10:30:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.71,"alt":35.63,"az":301.0,"t":"2025-04-20T10:35:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.75,"alt":34.83,"az":301.5,"t":"2025-04-20T10:40:00Z","terrain":0.2},{"above_terrain":true,"airmass":1.78,"alt":34.03,"az":302.0,"t":"2025-04-20T10:45:00Z","terrain":0.08},{"above_terrain":true,"airmass":1.82,"alt":33.24,"az":302.5,"t":"2025-04-20T10:50:00Z","terrain":-0.07},{"above_terrain":true,"airmass":1.86,"alt":32.45,"az":303.0,"t":"2025-04-20T10:55:00Z","terrain":-0.23},{"above_terrain":true,"airmass":1.9,"alt":31.67,"az":303.5,"t":"2025-04-20T11:00:00Z","terrain":-0.16},{"above_terrain":true,"airmass":1.94,"alt":30.89,"az":304.0,"t":"2025-04-20T11:05:00Z","terrain":-0.1},{"above_terrain":true,"airmass":1.99,"alt":30.12,"az":304.5,"t":"2025-04-20T11:10:00Z","terrain":-0.2},{"above_terrain":true,"airmass":2.03,"alt":29.35,"az":305.1,"t":"2025-04-20T11:15:00Z","terrain":-0.28},{"above_terrain":true,"airmass":2.08,"alt":28.59,"az":305.6,"t":"2025-04-20T11:20:00Z","terrain":-0.22},{"above_terrain":true,"airmass":2.13,"alt":27.83,"az":306.1,"t":"2025-04-20T11:25:00Z","terrain":-0.12},{"above_terrain":true,"airmass":2.19,"alt":27.07,"az":306.7,"t":"2025-04-20T11:30:00Z","terrain":0.07},{"above_terrain":true,"airmass":2.25,"alt":26.33,"az":307.2,"t":"2025-04-20T11:35:00Z","terrain":0.21},{"above_terrain":true,"airmass":2.31,"alt":25.58,"az":307.8,"t":"2025-04-20T11:40:00Z","terrain":0.29},{"above_terrain":true,"airmass":2.37,"alt":24.85,"az":308.4,"t":"2025-04-20T11:45:00Z","terrain":0.27},{"above_terrain":true,"airmass":2.44,"alt":24.12,"az":308.9,"t":"2025-04-20T11:50:00Z","terrain":0.18},{"above_terrain":true,"airmass":2.51,"alt":23.39,"az":309.5,"t":"2025-04-20T11:55:00Z","terrain":0.2},{"above_terrain":true,"airmass":2.58,"alt":22.67,"az":310.1,"t":"2025-04-20T12:00:00Z","terrain":0.23},{"above_terrain":true,"airmass":2.66,"alt":21.96,"az":310.7,"t":"2025-04-20T12:05:00Z","terrain":0.31},{"above_terrain":true,"airmass":2.74,"alt":21.25,"az":311.3,"t":"2025-04-20T12:10:00Z","terrain":0.3},{"above_terrain":true,"airmass":2.83,"alt":20.55,"az":311.9,"t":"2025-04-20T12:15:00Z","terrain":0.17},{"above_terrain":true,"airmass":2.92,"alt":19.86,"az":312.5,"t":"2025-04-20T12:20:00Z","terrain":0.2},{"above_terrain":true,"airmass":3.02,"alt":19.17,"az":313.1,"t":"2025-04-20T12:25:00Z","terrain":0.28},{"above_terrain":true,"airmass":3.13,"alt":18.49,"az":313.7,"t":"2025-04-20T12:30:00Z","terrain":0.41},{"above_terrain":true,"airmass":3.24,"alt":17.82,"az":314.3,"t":"2025-04-20T12:35:00Z","terrain":0.5},{"above_terrain":true,"airmass":3.36,"alt":17.15,"az":314.9,"t":"2025-04-20T12:40:00Z","terrain":0.55},{"above_terrain":true,"airmass":3.48,"alt":16.49,"az":315.6,"t":"2025-04-20T12:45:00Z","terrain":0.52},{"above_terrain":true,"airmass":3.62,"alt":15.84,"az":316.2,"t":"2025-04-20T12:50:00Z","terrain":0.44},{"above_terrain":true,"airmass":3.77,"alt":15.2,"az":316.8,"t":"2025-04-20T12:55:00Z","terrain":0.33},{"above_terrain":true,"airmass":3.92,"alt":14.56,"az":317.5,"t":"2025-04-20T13:00:00Z","terrain":0.31},{"above_terrain":true,"airmass":4.09,"alt":13.93,"az":318.2,"t":"2025-04-20T13:05:00Z","terrain":0.26},{"above_terrain":true,"airmass":4.27,"alt":13.31,"az":318.8,"t":"2025-04-20T13:10:00Z","terrain":-0.05},{"above_terrain":true,"airmass":4.46,"alt":12.7,"az":319.5,"t":"2025-04-20T13:15:00Z","terrain":-0.17},{"above_terrain":true,"airmass":4.67,"alt":12.1,"az":320.2,"t":"2025-04-20T13:20:00Z","terrain":-0.2},{"above_terrain":true,"airmass":4.9,"alt":11.5,"az":320.8,"t":"2025-04-20T13:25:00Z","terrain":-0.2},{"above_terrain":true,"airmass":5.15,"alt":10.91,"az":321.5,"t":"2025-04-20T13:30:00Z","terrain":0.02},{"above_terrain":true,"airmass":5.42,"alt":10.34,"az":322.2,"t":"2025-04-20T13:35:00Z","terrain":0.18},{"above_terrain":true,"airmass":5.71,"alt":9.77,"az":322.9,"t":"2025-04-20T13:40:00Z","terrain":0.09},{"above_terrain":true,"airmass":6.03,"alt":9.21,"az":323.6,"t":"2025-04-20T13:45:00Z","terrain":-0.11},{"above_terrain":true,"airmass":6.38,"alt":8.66,"az":324.4,"t":"2025-04-20T13:50:00Z","terrain":-0.2},{"above_terrain":true,"airmass":6.77,"alt":8.12,"az":325.1,"t":"2025-04-20T13:55:00Z","terrain":-0.19},{"above_terrain":true,"airmass":7.19,"alt":7.59,"az":325.8,"t":"2025-04-20T14:00:00Z","terrain":-0.23},{"above_terrain":true,"airmass":7.67,"alt":7.06,"az":326.5,"t":"2025-04-20T14:05:00Z","terrain":-0.32},{"above_terrain":true,"airmass":8.19,"alt":6.55,"az":327.3,"t":"2025-04-20T14:10:00Z","terrain":-0.35},{"above_terrain":true,"airmass":8.77,"alt":6.05,"az":328.0,"t":"2025-04-20T14:15:00Z","terrain":-0.23},{"above_terrain":true,"airmass":9.43,"alt":5.56,"az":328.8,"t":"2025-04-20T14:20:00Z","terrain":-0.15},{"above_terrain":true,"airmass":10.17,"alt":5.08,"az":329.5,"t":"2025-04-20T14:25:00Z","terrain":-0.25},{"above_terrain":true,"airmass":11.0,"alt":4.61,"az":330.3,"t":"2025-04-20T14:30:00Z","terrain":-0.36},{"above_terrain":true,"airmass":11.95,"alt":4.16,"az":331.1,"t":"2025-04-20T14:35:00Z","terrain":-0.37},{"above_terrain":true,"airmass":13.03,"alt":3.71,"az":331.8,"t":"2025-04-20T14:40:00Z","terrain":-0.18},{"above_terrain":true,"airmass":14.26,"alt":3.27,"az":332.6,"t":"2025-04-20T14:45:00Z","terrain":-0.13},{"above_terrain":true,"airmass":15.69,"alt":2.85,"az":333.4,"t":"2025-04-20T14:50:00Z","terrain":-0.17},{"above_terrain":true,"airmass":17.34,"alt":2.43,"az":334.2,"t":"2025-04-20T14:55:00Z","terrain":-0.31},{"above_terrain":true,"airmass":19.26,"alt":2.03,"az":335.0,"t":"2025-04-20T15:00:00Z","terrain":-0.59},{"above_terrain":true,"airmass":21.5,"alt":1.64,"az":335.8,"t":"2025-04-20T15:05:00Z","terrain":-0.79},{"above_terrain":true,"airmass":24.12,"alt":1.27,"az":336.6,"t":"2025-04-20T15:10:00Z","terrain":-0.77},{"above_terrain":true,"airmass":27.2,"alt":0.9,"az":337.5,"t":"2025-04-20T15:15:00Z","terrain":-0.61},{"above_terrain":true,"airmass":30.79,"alt":0.55,"az":338.3,"t":"2025-04-20T15:20:00Z","terrain":-0.55},{"above_terrain":true,"airmass":34.96,"alt":0.21,"az":339.1,"t":"2025-04-20T15:25:00Z","terrain":-0.73},{"above_terrain":true,"airmass":null,"alt":-0.12,"az":339.9,"t":"2025-04-20T15:30:00Z","terrain":-0.54},{"above_terrain":true,"airmass":null,"alt":-0.43,"az":340.8,"t":"2025-04-20T15:35:00Z","terrain":-0.46},{"above_terrain":false,"airmass":null,"alt":-0.73,"az":341.6,"t":"2025-04-20T15:40:00Z","terrain":-0.47},{"above_terrain":false,"airmass":null,"alt":-1.02,"az":342.5,"t":"2025-04-20T15:45:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-1.3,"az":343.3,"t":"2025-04-20T15:50:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-1.56,"az":344.2,"t":"2025-04-20T15:55:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-1.81,"az":345.0,"t":"2025-04-20T16:00:00Z","terrain":-0.4},{"above_terrain":false,"airmass":null,"alt":-2.04,"az":345.9,"t":"2025-04-20T16:05:00Z","terrain":-0.53},{"above_terrain":false,"airmass":null,"alt":-2.27,"az":346.8,"t":"2025-04-20T16:10:00Z","terrain":-0.45},{"above_terrain":false,"airmass":null,"alt":-2.47,"az":347.6,"t":"2025-04-20T16:15:00Z","terrain":-0.24},{"above_terrain":false,"airmass":null,"alt":-2.67,"az":348.5,"t":"2025-04-20T16:20:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-2.85,"az":349.4,"t":"2025-04-20T16:25:00Z","terrain":0.05},{"above_terrain":false,"airmass":null,"alt":-3.01,"az":350.3,"t":"2025-04-20T16:30:00Z","terrain":0.14},{"above_terrain":false,"airmass":null,"alt":-3.16,"az":351.2,"t":"2025-04-20T16:35:00Z","terrain":0.16},{"above_terrain":false,"airmass":null,"alt":-3.3,"az":352.0,"t":"2025-04-20T16:40:00Z","terrain":0.28},{"above_terrain":false,"airmass":null,"alt":-3.42,"az":352.9,"t":"2025-04-20T16:45:00Z","terrain":0.48},{"above_terrain":false,"airmass":null,"alt":-3.53,"az":353.8,"t":"2025-04-20T16:50:00Z","terrain":0.6},{"above_terrain":false,"airmass":null,"alt":-3.62,"az":354.7,"t":"2025-04-20T16:55:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.7,"az":355.6,"t":"2025-04-20T17:00:00Z","terrain":0.7},{"above_terrain":false,"airmass":null,"alt":-3.77,"az":356.5,"t":"2025-04-20T17:05:00Z","terrain":0.75},{"above_terrain":false,"airmass":null,"alt":-3.82,"az":357.4,"t":"2025-04-20T17:10:00Z","terrain":0.7},{"above_terrain":false,"airmass":null,"alt":-3.85,"az":358.3,"t":"2025-04-20T17:15:00Z","terrain":0.62},{"above_terrain":false,"airmass":null,"alt":-3.87,"az":359.2,"t":"2025-04-20T17:20:00Z","terrain":0.6},{"above_terrain":false,"airmass":null,"alt":-3.88,"az":0.1,"t":"2025-04-20T17:25:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-3.87,"az":1.0,"t":"2025-04-20T17:30:00Z","terrain":0.37},{"above_terrain":false,"airmass":null,"alt":-3.85,"az":1.9,"t":"2025-04-20T17:35:00Z","terrain":0.15},{"above_terrain":false,"airmass":null,"alt":-3.81,"az":2.8,"t":"2025-04-20T17:40:00Z","terrain":-0.07},{"above_terrain":false,"airmass":null,"alt":-3.76,"az":3.7,"t":"2025-04-20T17:45:00Z","terrain":-0.23},{"above_terrain":false,"airmass":null,"alt":-3.69,"az":4.6,"t":"2025-04-20T17:50:00Z","terrain":-0.36},{"above_terrain":false,"airmass":null,"alt":-3.61,"az":5.5,"t":"2025-04-20T17:55:00Z","terrain":-0.5},{"above_terrain":false,"airmass":null,"alt":-3.51,"az":6.3,"t":"2025-04-20T18:00:00Z","terrain":-0.53},{"above_terrain":false,"airmass":null,"alt":-3.4,"az":7.2,"t":"2025-04-20T18:05:00Z","terrain":-0.41},{"above_terrain":false,"airmass":null,"alt":-3.27,"az":8.1,"t":"2025-04-20T18:10:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-3.13,"az":9.0,"t":"2025-04-20T18:15:00Z","terrain":-0.66},{"above_terrain":false,"airmass":null,"alt":-2.98,"az":9.9,"t":"2025-04-20T18:20:00Z","terrain":-0.61},{"above_terrain":false,"airmass":null,"alt":-2.81,"az":10.8,"t":"2025-04-20T18:25:00Z","terrain":-0.44},{"above_terrain":false,"airmass":null,"alt":-2.63,"az":11.7,"t":"2025-04-20T18:30:00Z","terrain":-0.26},{"above_terrain":false,"airmass":null,"alt":-2.43,"az":12.5,"t":"2025-04-20T18:35:00Z","terrain":-0.12},{"above_terrain":false,"airmass":null,"alt":-2.22,"az":13.4,"t":"2025-04-20T18:40:00Z","terrain":-0.01},{"above_terrain":false,"airmass":null,"alt":-2.0,"az":14.3,"t":"2025-04-20T18:45:00Z","terrain":0.17},{"above_terrain":false,"airmass":null,"alt":-1.76,"az":15.1,"t":"2025-04-20T18:50:00Z","terrain":0.42},{"above_terrain":false,"airmass":null,"alt":-1.51,"az":16.0,"t":"2025-04-20T18:55:00Z","terrain":0.49},{"above_terrain":false,"airmass":null,"alt":-1.25,"az":16.8,"t":"2025-04-20T19:00:00Z","terrain":0.47},{"above_terrain":false,"airmass":null,"alt":-0.97,"az":17.7,"t":"2025-04-20T19:05:00Z","terrain":0.51},{"above_terrain":false,"airmass":null,"alt":-0.68,"az":18.5,"t":"2025-04-20T19:10:00Z","terrain":0.58},{"above_terrain":false,"airmass":null,"alt":-0.38,"az":19.4,"t":"2025-04-20T19:15:00Z","terrain":0.64},{"above_terrain":false,"airmass":null,"alt":-0.06,"az":20.2,"t":"2025-04-20T19:20:00Z","terrain":0.67},{"above_terrain":false,"airmass":34.14,"alt":0.27,"az":21.1,"t":"2025-04-20T19:25:00Z","terrain":0.71},{"above_terrain":false,"airmass":30.08,"alt":0.61,"az":21.9,"t":"2025-04-20T19:30:00Z","terrain":0.95},{"above_terrain":false,"airmass":26.58,"alt":0.97,"az":22.7,"t":"2025-04-20T19:35:00Z","terrain":1.11},{"above_terrain":true,"airmass":23.6,"alt":1.34,"az":23.5,"t":"2025-04-20T19:40:00Z","terrain":1.04},{"above_terrain":true,"airmass":21.05,"alt":1.72,"az":24.3,"t":"2025-04-20T19:45:00Z","terrain":1.02},{"above_terrain":true,"airmass":18.87,"alt":2.11,"az":25.1,"t":"2025-04-20T19:50:00Z","terrain":1.24},{"above_terrain":true,"airmass":17.01,"alt":2.51,"az":25.9,"t":"2025-04-20T19:55:00Z","terrain":1.33},{"above_terrain":true,"airmass":15.4,"alt":2.93,"az":26.7,"t":"2025-04-20T20:00:00Z","terrain":1.3},{"above_terrain":true,"airmass":14.02,"alt":3.35,"az":27.5,"t":"2025-04-20T20:05:00Z","terrain":1.23},{"above_terrain":true,"airmass":12.81,"alt":3.79,"az":28.3,"t":"2025-04-20T20:10:00Z","terrain":1.13},{"above_terrain":true,"airmass":11.76,"alt":4.24,"az":29.1,"t":"2025-04-20T20:15:00Z","terrain":1.01},{"above_terrain":true,"airmass":10.84,"alt":4.7,"az":29.8,"t":"2025-04-20T20:20:00Z","terrain":1.13},{"above_terrain":true,"airmass":10.02,"alt":5.17,"az":30.6,"t":"2025-04-20T20:25:00Z","terrain":1.25},{"above_terrain":true,"airmass":9.3,"alt":5.65,"az":31.4,"t":"2025-04-20T20:30:00Z","terrain":1.32},{"above_terrain":true,"airmass":8.66,"alt":6.15,"az":32.1,"t":"2025-04-20T20:35:00Z","terrain":1.29},{"above_terrain":true,"airmass":8.09,"alt":6.65,"az":32.9,"t":"2025-04-20T20:40:00Z","terrain":1.04},{"above_terrain":true,"airmass":7.57,"alt":7.16,"az":33.6,"t":"2025-04-20T20:45:00Z","terrain":0.65},{"above_terrain":true,"airmass":7.11,"alt":7.68,"az":34.3,"t":"2025-04-20T20:50:00Z","terrain":0.3},{"above_terrain":true,"airmass":6.69,"alt":8.22,"az":35.1,"t":"2025-04-20T20:55:00Z","terrain":0.05},{"above_terrain":true,"airmass":6.31,"alt":8.76,"az":35.8,"t":"2025-04-20T21:00:00Z","terrain":0.03},{"above_terrain":true,"airmass":5.97,"alt":9.31,"az":36.5,"t":"2025-04-20T21:05:00Z","terrain":-0.03},{"above_terrain":true,"airmass":5.65,"alt":9.87,"az":37.2,"t":"2025-04-20T21:10:00Z","terrain":-0.11},{"above_terrain":true,"airmass":5.36,"alt":10.44,"az":37.9,"t":"2025-04-20T21:15:00Z","terrain":-0.2},{"above_terrain":true,"airmass":5.1,"alt":11.02,"az":38.6,"t":"2025-04-20T21:20:00Z","terrain":-0.18},{"above_terrain":true,"airmass":4.86,"alt":11.61,"az":39.3,"t":"2025-04-20T21:25:00Z","terrain":-0.13},{"above_terrain":true,"airmass":4.63,"alt":12.21,"az":40.0,"t":"2025-04-20T21:30:00Z","terrain":-0.05},{"above_terrain":true,"airmass":4.43,"alt":12.81,"az":40.6,"t":"2025-04-20T21:35:00Z","terrain":-0.01},{"above_terrain":true,"airmass":4.24,"alt":13.43,"az":41.3,"t":"2025-04-20T21:40:00Z","terrain":0.05},{"above_terrain":true,"airmass":4.06,"alt":14.05,"az":42.0,"t":"2025-04-20T21:45:00Z","terrain":0.12},{"above_terrain":true,"airmass":3.89,"alt":14.68,"az":42.6,"t":"2025-04-20T21:50:00Z","terrain":0.2},{"above_terrain":true,"airmass":3.74,"alt":15.32,"az":43.3,"t":"2025-04-20T21:55:00Z","terrain":0.29},{"above_terrain":true,"airmass":3.59,"alt":15.96,"az":43.9,"t":"2025-04-20T22:00:00Z","terrain":0.4},{"above_terrain":true,"airmass":3.46,"alt":16.62,"az":44.6,"t":"2025-04-20T22:05:00Z","terrain":0.51},{"above_terrain":true,"airmass":3.33,"alt":17.28,"az":45.2,"t":"2025-04-20T22:10:00Z","terrain":0.6},{"above_terrain":true,"airmass":3.22,"alt":17.94,"az":45.8,"t":"2025-04-20T22:15:00Z","terrain":0.65},{"above_terrain":true,"airmass":3.11,"alt":18.62,"az":46.4,"t":"2025-04-20T22:20:00Z","terrain":0.64},{"above_terrain":true,"airmass":3.0,"alt":19.3,"az":47.0,"t":"2025-04-20T22:25:00Z","terrain":0.61},{"above_terrain":true,"airmass":2.9,"alt":19.99,"az":47.7,"t":"2025-04-20T22:30:00Z","terrain":0.56},{"above_terrain":true,"airmass":2.81,"alt":20.68,"az":48.3,"t":"2025-04-20T22:35:00Z","terrain":0.5},{"above_terrain":true,"airmass":2.73,"alt":21.38,"az":48.9,"t":"2025-04-20T22:40:00Z","terrain":0.43},{"above_terrain":true,"airmass":2.64,"alt":22.09,"az":49.4,"t":"2025-04-20T22:45:00Z","terrain":0.41},{"above_terrain":true,"airmass":2.57,"alt":22.81,"az":50.0,"t":"2025-04-20T22:50:00Z","terrain":0.4},{"above_terrain":true,"airmass":2.49,"alt":23.53,"az":50.6,"t":"2025-04-20T22:55:00Z","terrain":0.48},{"above_terrain":true,"airmass":2.42,"alt":24.25,"az":51.2,"t":"2025-04-20T23:00:00Z","terrain":0.55},{"above_terrain":true,"airmass":2.36,"alt":24.99,"az":51.7,"t":"2025-04-20T23:05:00Z","terrain":0.6},{"above_terrain":true,"airmass":2.29,"alt":25.72,"az":52.3,"t":"2025-04-20T23:10:00Z","terrain":0.69},{"above_terrain":true,"airmass":2.24,"alt":26.47,"az":52.9,"t":"2025-04-20T23:15:00Z","terrain":0.81},{"above_terrain":true,"airmass":2.18,"alt":27.22,"az":53.4,"t":"2025-04-20T23:20:00Z","terrain":0.91},{"above_terrain":true,"airmass":2.13,"alt":27.97,"az":54.0,"t":"2025-04-20T23:25:00Z","terrain":0.99},{"above_terrain":true,"airmass":2.07,"alt":28.73,"az":54.5,"t":"2025-04-20T23:30:00Z","terrain":1.04},{"above_terrain":true,"airmass":2.03,"alt":29.49,"az":55.0,"t":"2025-04-20T23:35:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.98,"alt":30.26,"az":55.6,"t":"2025-04-20T23:40:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.93,"alt":31.04,"az":56.1,"t":"2025-04-20T23:45:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.89,"alt":31.82,"az":56.6,"t":"2025-04-20T23:50:00Z","terrain":1.06},{"above_terrain":true,"airmass":1.85,"alt":32.6,"az":57.1,"t":"2025-04-20T23:55:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.81,"alt":33.39,"az":57.6,"t":"2025-04-21T00:00:00Z","terrain":1.18},{"above_terrain":true,"airmass":1.78,"alt":34.18,"az":58.1,"t":"2025-04-21T00:05:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.74,"alt":34.98,"az":58.6,"t":"2025-04-21T00:10:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.71,"alt":35.78,"az":59.1,"t":"2025-04-21T00:15:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.67,"alt":36.58,"az":59.6,"t":"2025-04-21T00:20:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.64,"alt":37.39,"az":60.1,"t":"2025-04-21T00:25:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.61,"alt":38.2,"az":60.5,"t":"2025-04-21T00:30:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.59,"alt":39.02,"az":61.0,"t":"2025-04-21T00:35:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.56,"alt":39.84,"az":61.5,"t":"2025-04-21T00:40:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.53,"alt":40.67,"az":61.9,"t":"2025-04-21T00:45:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.51,"alt":41.49,"az":62.4,"t":"2025-04-21T00:50:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.48,"alt":42.32,"az":62.8,"t":"2025-04-21T00:55:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.46,"alt":43.16,"az":63.3,"t":"2025-04-21T01:00:00Z","terrain":0.87},{"above_terrain":true,"airmass":1.44,"alt":44.0,"az":63.7,"t":"2025-04-21T01:05:00Z","terrain":0.81},{"above_terrain":true,"airmass":1.42,"alt":44.84,"az":64.1,"t":"2025-04-21T01:10:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.4,"alt":45.68,"az":64.6,"t":"2025-04-21T01:15:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.38,"alt":46.53,"az":65.0,"t":"2025-04-21T01:20:00Z","terrain":0.77},{"above_terrain":true,"airmass":1.36,"alt":47.38,"az":65.4,"t":"2025-04-21T01:25:00Z","terrain":0.79},{"above_terrain":true,"airmass":1.34,"alt":48.23,"az":65.8,"t":"2025-04-21T01:30:00Z","terrain":0.82},{"above_terrain":true,"airmass":1.32,"alt":49.08,"az":66.2,"t":"2025-04-21T01:35:00Z","terrain":0.85},{"above_terrain":true,"airmass":1.31,"alt":49.94,"az":66.6,"t":"2025-04-21T01:40:00Z","terrain":0.89},{"above_terrain":true,"airmass":1.29,"alt":50.8,"az":67.0,"t":"2025-04-21T01:45:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.27,"alt":51.66,"az":67.4,"t":"2025-04-21T01:50:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.26,"alt":52.53,"az":67.7,"t":"2025-04-21T01:55:00Z","terrain":0.97},{"above_terrain":true,"airmass":1.24,"alt":53.4,"az":68.1,"t":"2025-04-21T02:00:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.23,"alt":54.27,"az":68.5,"t":"2025-04-21T02:05:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.22,"alt":55.14,"az":68.8,"t":"2025-04-21T02:10:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.21,"alt":56.01,"az":69.2,"t":"2025-04-21T02:15:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.19,"alt":56.89,"az":69.5,"t":"2025-04-21T02:20:00Z","terrain":1.13},{"above_terrain":true,"airmass":1.18,"alt":57.76,"az":69.8,"t":"2025-04-21T02:25:00Z","terrain":1.19},{"above_terrain":true,"airmass":1.17,"alt":58.64,"az":70.1,"t":"2025-04-21T02:30:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.16,"alt":59.53,"az":70.4,"t":"2025-04-21T02:35:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.15,"alt":60.41,"az":70.7,"t":"2025-04-21T02:40:00Z","terrain":1.25},{"above_terrain":true,"airmass":1.14,"alt":61.29,"az":71.0,"t":"2025-04-21T02:45:00Z","terrain":1.26},{"above_terrain":true,"airmass":1.13,"alt":62.18,"az":71.3,"t":"2025-04-21T02:50:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.12,"alt":63.07,"az":71.6,"t":"2025-04-21T02:55:00Z","terrain":1.23},{"above_terrain":true,"airmass":1.11,"alt":63.95,"az":71.8,"t":"2025-04-21T03:00:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.1,"alt":64.84,"az":72.0,"t":"2025-04-21T03:05:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.1,"alt":65.73,"az":72.2,"t":"2025-04-21T03:10:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.09,"alt":66.63,"az":72.4,"t":"2025-04-21T03:15:00Z","terrain":1.11},{"above_terrain":true,"airmass":1.08,"alt":67.52,"az":72.6,"t":"2025-04-21T03:20:00Z","terrain":1.08},{"above_terrain":true,"airmass":1.07,"alt":68.41,"az":72.7,"t":"2025-04-21T03:25:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.07,"alt":69.31,"az":72.9,"t":"2025-04-21T03:30:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.06,"alt":70.2,"az":72.9,"t":"2025-04-21T03:35:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.06,"alt":71.1,"az":73.0,"t":"2025-04-21T03:40:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.05,"alt":71.99,"az":73.0,"t":"2025-04-21T03:45:00Z","terrain":0.99},{"above_terrain":true,"airmass":1.05,"alt":72.89,"az":73.0,"t":"2025-04-21T03:50:00Z","terrain":1.0},{"above_terrain":true,"airmass":1.04,"alt":73.78,"az":72.9,"t":"2025-04-21T03:55:00Z","terrain":1.01},{"above_terrain":true,"airmass":1.04,"alt":74.67,"az":72.7,"t":"2025-04-21T04:00:00Z","terrain":1.04},{"above_terrain":true,"airmass":1.03,"alt":75.57,"az":72.5,"t":"2025-04-21T04:05:00Z","terrain":1.09},{"above_terrain":true,"airmass":1.03,"alt":76.46,"az":72.2,"t":"2025-04-21T04:10:00Z","terrain":1.15},{"above_terrain":true,"airmass":1.02,"alt":77.35,"az":71.8,"t":"2025-04-21T04:15:00Z","terrain":1.21},{"above_terrain":true,"airmass":1.02,"alt":78.24,"az":71.3,"t":"2025-04-21T04:20:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.02,"alt":79.12,"az":70.6,"t":"2025-04-21T04:25:00Z","terrain":1.24},{"above_terrain":true,"airmass":1.02,"alt":80.0,"az":69.7,"t":"2025-04-21T04:30:00Z","terrain":1.17},{"above_terrain":true,"airmass":1.01,"alt":80.88,"az":68.5,"t":"2025-04-21T04:35:00Z","terrain":1.02},{"above_terrain":true,"airmass":1.01,"alt":81.74,"az":67.1,"t":"2025-04-21T04:40:00Z","terrain":0.93},{"above_terrain":true,"airmass":1.01,"alt":82.6,"az":65.1,"t":"2025-04-21T04:45:00Z","terrain":0.78},{"above_terrain":true,"airmass":1.01,"alt":83.44,"az":62.6,"t":"2025-04-21T04:50:00Z","terrain":0.95},{"above_terrain":true,"airmass":1.0,"alt":84.26,"az":59.2,"t":"2025-04-21T04:55:00Z","terrain":1.2},{"above_terrain":true,"airmass":1.0,"alt":85.04,"az":54.6,"t":"2025-04-21T05:00:00Z","terrain":1.05},{"above_terrain":true,"airmass":1.0,"alt":85.78,"az":48.1,"t":"2025-04-21T05:05:00Z","terrain":0.51},{"above_terrain":true,"airmass":1.0,"alt":86.43,"az":39.0,"t":"2025-04-21T05:10:00Z","terrain":-0.16},{"above_terrain":true,"airmass":1.0,"alt":86.93,"az":26.2,"t":"2025-04-21T05:15:00Z","terrain":1.33},{"above_terrain":true,"airmass":1.0,"alt":87.22,"az":9.5,"t":"2025-04-21T05:20:00Z","terrain":-0.63},{"above_terrain":true,"airmass":1.0,"alt":87.23,"az":351.0,"t":"2025-04-21T05:25:00Z","terrain":0.14},{"above_terrain":true,"airmass":1.0,"alt":86.94,"az":334.2,"t":"2025-04-21T05:30:00Z","terrain":-0.29},{"above_terrain":true,"airmass":1.0,"alt":86.44,"az":321.3,"t":"2025-04-21T05:35:00Z","terrain":-0.08},{"above_terrain":true,"airmass":1.0,"alt":85.8,"az":312.1,"t":"2025-04-21T05:40:00Z","terrain":0.15},{"above_terrain":true,"airmass":1.0,"alt":85.07,"az":305.6,"t":"2025-04-21T05:45:00Z","terrain":-0.22},{"above_terrain":true,"airmass":1.0,"alt":84.28,"az":300.9,"t":"2025-04-21T05:50:00Z","terrain":0.33},{"above_terrain":true,"airmass":1.01,"alt":83.46,"az":297.5,"t":"2025-04-21T05:55:00Z","terrain":0.19},{"above_terrain":true,"airmass":1.01,"alt":82.62,"az":294.9,"t":"2025-04-21T06:00:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.01,"alt":81.77,"az":293.0,"t":"2025-04-21T06:05:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.01,"alt":80.9,"az":291.5,"t":"2025-04-21T06:10:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.01,"alt":80.03,"az":290.3,"t":"2025-04-21T06:15:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.02,"alt":79.15,"az":289.4,"t":"2025-04-21T06:20:00Z","terrain":0.23},{"above_terrain":true,"airmass":1.02,"alt":78.26,"az":288.7,"t":"2025-04-21T06:25:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.02,"alt":77.37,"az":288.2,"t":"2025-04-21T06:30:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.03,"alt":76.48,"az":287.8,"t":"2025-04-21T06:35:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.03,"alt":75.59,"az":287.5,"t":"2025-04-21T06:40:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.04,"alt":74.7,"az":287.3,"t":"2025-04-21T06:45:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.04,"alt":73.8,"az":287.1,"t":"2025-04-21T06:50:00Z","terrain":0.35},{"above_terrain":true,"airmass":1.05,"alt":72.91,"az":287.0,"t":"2025-04-21T06:55:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.05,"alt":72.01,"az":287.0,"t":"2025-04-21T07:00:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.06,"alt":71.12,"az":287.0,"t":"2025-04-21T07:05:00Z","terrain":0.37},{"above_terrain":true,"airmass":1.06,"alt":70.22,"az":287.1,"t":"2025-04-21T07:10:00Z","terrain":0.36},{"above_terrain":true,"airmass":1.07,"alt":69.33,"az":287.1,"t":"2025-04-21T07:15:00Z","terrain":0.34},{"above_terrain":true,"airmass":1.07,"alt":68.44,"az":287.3,"t":"2025-04-21T07:20:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.08,"alt":67.54,"az":287.4,"t":"2025-04-21T07:25:00Z","terrain":0.29},{"above_terrain":true,"airmass":1.09,"alt":66.65,"az":287.6,"t":"2025-04-21T07:30:00Z","terrain":0.26},{"above_terrain":true,"airmass":1.1,"alt":65.76,"az":287.8,"t":"2025-04-21T07:35:00Z","terrain":0.22},{"above_terrain":true,"airmass":1.1,"alt":64.87,"az":288.0,"t":"2025-04-21T07:40:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.11,"alt":63.98,"az":288.2,"t":"2025-04-21T07:45:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.12,"alt":63.09,"az":288.4,"t":"2025-04-21T07:50:00Z","terrain":0.17},{"above_terrain":true,"airmass":1.13,"alt":62.2,"az":288.7,"t":"2025-04-21T07:55:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.14,"alt":61.32,"az":289.0,"t":"2025-04-21T08:00:00Z","terrain":0.18},{"above_terrain":true,"airmass":1.15,"alt":60.43,"az":289.3,"t":"2025-04-21T08:05:00Z","terrain":0.21},{"above_terrain":true,"airmass":1.16,"alt":59.55,"az":289.6,"t":"2025-04-21T08:10:00Z","terrain":0.24},{"above_terrain":true,"airmass":1.17,"alt":58.67,"az":289.9,"t":"2025-04-21T08:15:00Z","terrain":0.27},{"above_terrain":true,"airmass":1.18,"alt":57.79,"az":290.2,"t":"2025-04-21T08:20:00Z","terrain":0.32},{"above_terrain":true,"airmass":1.19,"alt":56.91,"az":290.5,"t":"2025-04-21T08:25:00Z","terrain":0.39},{"above_terrain":true,"airmass":1.2,"alt":56.03,"az":290.8,"t":"2025-04-21T08:30:00Z","terrain":0.46},{"above_terrain":true,"airmass":1.22,"alt":55.16,"az":291.2,"t":"2025-04-21T08:35:00Z","terrain":0.5},{"above_terrain":true,"airmass":1.23,"alt":54.29,"az":291.5,"t":"2025-04-21T08:40:00Z","terrain":0.52},{"above_terrain":true,"airmass":1.24,"alt":53.42,"az":291.9,"t":"2025-04-21T08:45:00Z","terrain":0.54},{"above_terrain":true,"airmass":1.26,"alt":52.55,"az":292.3,"t":"2025-04-21T08:50:00Z","terrain":0.48},{"above_terrain":true,"airmass":1.27,"alt":51.69,"az":292.6,"t":"2025-04-21T08:55:00Z","terrain":0.38},{"above_terrain":true,"airmass":1.29,"alt":50.82,"az":293.0,"t":"2025-04-21T09:00:00Z","terrain":0.28}],"transit":{"airmass":1.0,"alt":87.2,"az":351.0,"t":"2025-04-21T05:25:00Z"},"usable_hours":3.25,"verdict":"marginal","zenith_passage":true},"warnings":[]}